Letimix GainMatch

Overview

GainMatch is an audio plugin for gain matching and level adjustment in digital audio workstations. It enables users to compare audio before and after processing at matched loudness levels, supporting manual and auto modes for plugin evaluation, auto-leveling, and stereo balance correction. Targeted at music producers and audio engineers, it stands out with versatile modes including stereo, left-right, mid-side, and target loudness matching.¹³⁷

Key Features

• Auto Gain Matching - Automatically matches gain between before and after signals with adjustable tolerance.
• Manual Mode - Provides trim controls for precise manual level adjustments up to ±150 dB.
• Stereo/Mid-Side Modes - Balances left-right channels or mid-side components.
• Target Loudness Mode - Matches tracks to reference loudness or peak levels.
• Mix Before/After - Blends original and processed signals for A/B comparison.
• Auto Delay Compensation - One-click compensation for plugin latency.
• Variable RMS Filtering - Adjustable RMS time and K-weighted filtering options.
• Neutral Gain Mode - Functions as a standard gain control with ±40 dB range.

Pricing

Platforms & Requirements

Available as VST3 and AU plugins for macOS, with recent builds like v1.45 indicating ongoing support; Windows versions supported via VST/AU/AAX formats. Optimized for low CPU usage across DAWs. No mobile or web versions; requires compatible host software.¹⁷⁸

Integrations & Ecosystem

• VST3 hosts
• AU hosts
• AAX (since v1.13)
• Standard DAW plugin chains

Alternatives

Reputation

GainMatch is praised for its intuitive interface, low CPU usage, and versatility as a 'Swiss Army knife' for level matching in plugin chains. Users highlight its utility in A/B testing and balance correction. Some note the abundance of advanced options requires menu access, though core functions remain simple.³⁵